summaryrefslogtreecommitdiff
path: root/src/drivers/TwiMaster.cpp
diff options
context:
space:
mode:
authorJean-François Milants <jf@codingfield.com>2021-06-12 10:58:28 +0200
committerJean-François Milants <jf@codingfield.com>2021-06-12 10:58:28 +0200
commit6d524ebea2c97e309633d5e01c3a1e37c182f27d (patch)
tree3f9c7f96f0fab64f581035c72480596a4cc4db43 /src/drivers/TwiMaster.cpp
parentb1925ff28638dd4b8400c4d0c49d796d8990b1af (diff)
Move most of the code from the constructor of the objects statically initialized in main() into Start()/Init() functions to avoid Static Initialization Order Fiasco (https://en.cppreference.com/w/cpp/language/siof). See https://github.com/JF002/InfiniTime/pull/415#issuecomment-859004238.
Diffstat (limited to 'src/drivers/TwiMaster.cpp')
-rw-r--r--src/drivers/TwiMaster.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/drivers/TwiMaster.cpp b/src/drivers/TwiMaster.cpp
index 7b6582dd..fc9edf81 100644
--- a/src/drivers/TwiMaster.cpp
+++ b/src/drivers/TwiMaster.cpp
@@ -9,10 +9,12 @@ using namespace Pinetime::Drivers;
// TODO use DMA/IRQ
TwiMaster::TwiMaster(const Modules module, const Parameters& params) : module {module}, params {params} {
- mutex = xSemaphoreCreateBinary();
}
void TwiMaster::Init() {
+ if(mutex == nullptr)
+ mutex = xSemaphoreCreateBinary();
+
NRF_GPIO->PIN_CNF[params.pinScl] =
((uint32_t) GPIO_PIN_CNF_DIR_Input << GPIO_PIN_CNF_DIR_Pos) | ((uint32_t) GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos) |
((uint32_t) GPIO_PIN_CNF_PULL_Pullup << GPIO_PIN_CNF_PULL_Pos) | ((uint32_t) GPIO_PIN_CNF_DRIVE_S0D1 << GPIO_PIN_CNF_DRIVE_Pos) |